Home / 42,854,450.41-64,298,707.08-13,712,778.28

Finding the Fourth Proportional to 42,854,450.41, 64,298,707.08 and 13,712,778.28

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Solution

The fourth proportional to 42,854,450.41, 64,298,707.08 and 13,712,778.28 is: 20,574,617.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,854,450.41 : 64,298,707.08 = 13,712,778.28 : x
  2. Step 2: Convert to fraction form
    42,854,450.41/64,298,707.08 = 13,712,778.28/x
  3. Step 3: Cross multiply
    42,854,450.41x = 64,298,707.08 × 13,712,778.28
  4. Step 4: Simplify right side
    42,854,450.41x = 881,713,913,878,706.12
  5. Step 5: Solve for x
    x = 881,713,913,878,706.12/42,854,450.41
  6. Step 6: Final answer
    x = 20,574,617.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.